ROCK TOWING LIMITED
Doing Business As (DBA): RTL TRANSPORTS
Federal law requires active proof of continuous auto liability ($750k-$1M) on file to avoid DOT Out-of-Service orders or authority revocation.
Fleet Equipment, Drivers & Mileage Utilization
Commercial Truck Insurance & Federal Filing Requirements
2026 Underwriting BenchmarkMCS-150 Biennial Schedule & FMCSA Safety Record
Frequently Asked Questions About ROCK TOWING LIMITED
Is ROCK TOWING LIMITED (USDOT #4015070) currently authorized and active?
According to U.S. DOT / FMCSA Company Census records, ROCK TOWING LIMITED (USDOT #4015070, MC-1512884) holds an ACTIVE registration in Castle Rock, Colorado, classified under Interstate (AUTHORIZED FOR HIRE).
How many trucks and drivers does ROCK TOWING LIMITED operate?
ROCK TOWING LIMITED reports 2 commercial power unit(s) and 1 driver(s) (including 1 CDL drivers) on its FMCSA MCS-150 census filing.
What commercial truck insurance filings are required for USDOT #4015070?
Based on its Interstate operations hauling Hazardous Materials (Hazmat), federal regulations generally require $1,000,000 – $5,000,000 minimum primary liability (BMC-91X Liability ($1M–$5M Hazmat) • MCS-90 Hazmat Endorsement • Reefer Breakdown Coverage). Estimated market insurance benchmark for a 2-unit fleet in CO is $13,600–$21,500 per power unit annually.
When is ROCK TOWING LIMITED's mandatory FMCSA MCS-150 biennial update due?
Under 49 CFR § 390.19, based on the last two digits of USDOT #4015070, ROCK TOWING LIMITED must file its MCS-150 biennial update every October in Odd Years (2025, 2027). Last recorded MCS-150 date: 2026-05-08.
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